YACS::HMI::TreeView Class Reference

#include <TreeView.hxx>

Inheritance diagram for YACS::HMI::TreeView:

Collaboration diagram for YACS::HMI::TreeView:

Public Slots
void	viewSelection (const QModelIndex &ind)
void	resizeColumns ()
virtual void	onCommitData (QWidget *editor)

Public Member Functions
	TreeView (QWidget *parent=0)
virtual	~TreeView ()
virtual void	setModel (QAbstractItemModel *model)

Protected Member Functions
virtual bool	event (QEvent *event)
void	contextMenuEvent (QContextMenuEvent *event)

Protected Attributes
bool	_isEdition
ValueDelegate *	_valueDelegate

Detailed Description

Definition at line 33 of file TreeView.hxx.

Constructor & Destructor Documentation

TreeView()

TreeView::TreeView

(

QWidget *

parent = 0

)

Definition at line 41 of file TreeView.cxx.

  : QTreeView(parent)
{
  setDragDropMode(QAbstractItemView::DragDrop);
  setDragEnabled(true);
  setAcceptDrops(true);
  setDropIndicatorShown(true);
  _isEdition = true;
 
  _valueDelegate = new ValueDelegate(parent);
 
  connect(_valueDelegate, SIGNAL(commitData(QWidget*)),
          this, SLOT(onCommitData(QWidget*)));
 
  setItemDelegateForColumn(YLabel, _valueDelegate); // --- port label
  setItemDelegateForColumn(YValue, _valueDelegate); // --- port value
}

References _isEdition, _valueDelegate, onCommitData(), YACS::HMI::YLabel, and YACS::HMI::YValue.

~TreeView()

TreeView::~TreeView ( )

virtual

Definition at line 59 of file TreeView.cxx.

{
}

Member Function Documentation

contextMenuEvent()

void TreeView::contextMenuEvent ( QContextMenuEvent *  event )

protected

Definition at line 123 of file TreeView.cxx.

{
  QModelIndexList selList = selectedIndexes();
  if (selList.isEmpty())
    return;
  QModelIndex selected = selList.front();
  if (selected.isValid())
    {
      SchemaItem* item = static_cast<SchemaItem*>(selected.internalPointer());
      item->popupMenu(this, event->globalPos());
    }
}

References event(), and YACS::HMI::SchemaItem::popupMenu().

event()

bool TreeView::event ( QEvent *  event )

protectedvirtual

Definition at line 99 of file TreeView.cxx.

{
  if (event->type() == QEvent::WhatsThisClicked)
    {
      QWhatsThisClickedEvent* clicked = static_cast<QWhatsThisClickedEvent*>(event);
      QtGuiContext::getQtCurrent()->getGMain()->onHelpContextModule("YACS",clicked->href());
      return true; // what's this remains open if true is returned
    }
 
  if (event->type() == QEvent::ToolTip)
    {
      QHelpEvent *helpEvent = static_cast<QHelpEvent *>(event);
      QModelIndex index = indexAt(helpEvent->pos());
      if (index.isValid())
        {
          QString valtip = model()->data(index, Qt::ToolTipRole).toString();
          QToolTip::showText(helpEvent->globalPos(), valtip);
        }
      else
        QToolTip::hideText();
    }
  return QTreeView::event(event);
}

References YACS::HMI::QtGuiContext::getGMain(), YACS::HMI::QtGuiContext::getQtCurrent(), and YACS::HMI::GenericGui::onHelpContextModule().

Referenced by contextMenuEvent().

onCommitData

void TreeView::onCommitData ( QWidget *  editor )

virtualslot

After edition with a specific editor created by ValueDelegate for a cell of Tree item, the resulting string is tested for setValue on the corresponding subject. Result of the setValue (succes or failure) is transmitted to ValueDelegate for further action in case of failure.

Definition at line 143 of file TreeView.cxx.

{
  DEBTRACE("TreeView::onCommitData " << editor);
  GenericEditor* gedit = dynamic_cast<GenericEditor*>(editor);
  YASSERT(gedit);
  QString val = gedit->GetStrValue();
  string strval = val.toStdString();
  DEBTRACE(strval);
  bool isOk = false;
 
  Subject *sub = gedit->getSubject();
  YASSERT(sub);
  SubjectDataPort *sdp = dynamic_cast<SubjectDataPort*>(sub);
  if (sdp)
    {
      if (gedit->getColumnInSubject() == YValue)
        {
          if (sdp->getPort()->edGetType()->kind() == YACS::ENGINE::String)
            strval = "\"" + strval + "\"";
          DEBTRACE(strval);
          isOk = sdp->setValue(strval);
 
          GuiExecutor* executor = QtGuiContext::getQtCurrent()->getGuiExecutor();
          if (executor) executor->setInPortValue(sdp->getPort(), strval);
        }
      else // --- YLabel
        {
          isOk = sdp->setName(strval);
        }
    }
  else
    {
      SubjectNode *snode = dynamic_cast<SubjectNode*>(sub);
      YASSERT(snode);
      sub = snode->getParent();
      SubjectSwitch *sswitch = dynamic_cast<SubjectSwitch*>(sub);
      YASSERT(sswitch);
      isOk = sswitch->setCase(strval, snode);
    }
 
  if (_valueDelegate)
    _valueDelegate->setResultEditing(editor, isOk);
 }

References _valueDelegate, DEBTRACE, YACS::ENGINE::DataPort::edGetType(), YACS::HMI::GenericEditor::getColumnInSubject(), YACS::HMI::QtGuiContext::getGuiExecutor(), YACS::HMI::Subject::getParent(), YACS::HMI::SubjectDataPort::getPort(), YACS::HMI::QtGuiContext::getQtCurrent(), YACS::HMI::GenericEditor::GetStrValue(), YACS::HMI::GenericEditor::getSubject(), YACS::ENGINE::TypeCode::kind(), YACS::HMI::SubjectSwitch::setCase(), YACS::HMI::GuiExecutor::setInPortValue(), YACS::HMI::SubjectDataPort::setName(), YACS::HMI::ValueDelegate::setResultEditing(), YACS::HMI::SubjectDataPort::setValue(), YACS::ENGINE::String, YASSERT, and YACS::HMI::YValue.

Referenced by TreeView().

resizeColumns

void TreeView::resizeColumns ( )

slot

Definition at line 77 of file TreeView.cxx.

{
  Subject *sproc = QtGuiContext::getQtCurrent()->getSubjectProc();
  SchemaItem *item = QtGuiContext::getQtCurrent()->_mapOfSchemaItem[sproc];
  QModelIndex index = item->modelIndex();
  setExpanded(index, true);
  resizeColumnToContents(0);
  if (_isEdition)
    {
      setColumnHidden(YType,  false);
      setColumnHidden(YValue, false);
      setColumnWidth(YType,  100);
      setColumnWidth(YValue, 100);
    }
  else
    {
      setColumnHidden(YType,  true);
      setColumnHidden(YState, false);
      setColumnWidth(YState, 100);
    }
}

References _isEdition, YACS::HMI::QtGuiContext::_mapOfSchemaItem, YACS::HMI::QtGuiContext::getQtCurrent(), YACS::HMI::GuiContext::getSubjectProc(), YACS::HMI::SchemaItem::modelIndex(), YACS::HMI::YState, YACS::HMI::YType, and YACS::HMI::YValue.

Referenced by YACS::HMI::GenericGui::createContext().

setModel()

void TreeView::setModel ( QAbstractItemModel *  model )

virtual

Definition at line 63 of file TreeView.cxx.

{
  QTreeView::setModel(model);
  _isEdition = QtGuiContext::getQtCurrent()->isEdition();
  DEBTRACE("_isEdition=" << _isEdition);
}

References _isEdition, DEBTRACE, YACS::HMI::QtGuiContext::getQtCurrent(), and YACS::HMI::QtGuiContext::isEdition().

viewSelection

void TreeView::viewSelection ( const QModelIndex &  ind )

slot

Definition at line 70 of file TreeView.cxx.

{
  QModelIndex ind0 = ind.sibling(ind.row(), 0);
  //DEBTRACE("TreeView::viewSelection " << ind.row() << " " << ind.column() << " / " << ind0.row() << " " << ind0.column());
  scrollTo(ind0);
}

Member Data Documentation

_isEdition

bool YACS::HMI::TreeView::_isEdition

protected

Definition at line 50 of file TreeView.hxx.

Referenced by resizeColumns(), setModel(), and TreeView().

_valueDelegate

ValueDelegate* YACS::HMI::TreeView::_valueDelegate

protected

Definition at line 51 of file TreeView.hxx.

Referenced by onCommitData(), and TreeView().

---

The documentation for this class was generated from the following files:

• src/genericgui/TreeView.hxx
• src/genericgui/TreeView.cxx